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authorMuchun Song <smuchun@gmail.com>2019-06-18 22:33:05 +0800
committerThomas Gleixner <tglx@linutronix.de>2019-06-23 18:14:27 +0200
commit8afecaa68df1e94a9d634f1f961533a925f239fc (patch)
treecbf3f154c599e41cca84efda432b8db3f8137959 /kernel
parent0e51833042fccfe882ef3e85a346252550d26c22 (diff)
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softirq: Use __this_cpu_write() in takeover_tasklets()irq/core
The code is executed with interrupts disabled, so it's safe to use __this_cpu_write(). [ tglx: Massaged changelog ] Signed-off-by: Muchun Song <smuchun@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: joel@joelfernandes.org Cc: rostedt@goodmis.org Cc: frederic@kernel.org Cc: paulmck@linux.vnet.ibm.com Cc: alexander.levin@verizon.com Cc: peterz@infradead.org Link: https://lkml.kernel.org/r/20190618143305.2038-1-smuchun@gmail.com
Diffstat (limited to 'kernel')
-rw-r--r--kernel/softirq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 2c3382378d94..eaf3bdf7c749 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -650,7 +650,7 @@ static int takeover_tasklets(unsigned int cpu)
/* Find end, append list for that CPU. */
if (&per_cpu(tasklet_vec, cpu).head != per_cpu(tasklet_vec, cpu).tail) {
*__this_cpu_read(tasklet_vec.tail) = per_cpu(tasklet_vec, cpu).head;
- this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail);
+ __this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail);
per_cpu(tasklet_vec, cpu).head = NULL;
per_cpu(tasklet_vec, cpu).tail = &per_cpu(tasklet_vec, cpu).head;
}